The ASCO Series 256 Direct Operated Solenoid Valves are designed with a quick disassembly core tube for easy maintenance of internal parts. The standard disc seal is made of FPM and is suitable for a wide range of operating temperatures and compatible with many fluids. The valve has a standard manual operator for easy installation and AC/DC interchangeability of the solenoid without disassembling the valve. It complies with UL and CSA standards and is a compact